Ihonestly do not know how to answer 7,10,11

Write 17/20 as a decimal and as a percent.

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

The cross-sectional areas of a right triangular prism and a right cylinder are congruent. the right triangular prism has a height of 6 units, and the right cylinder has a height of 6 units. which conclusion can be made from the given information? the volume of the triangular prism is half the volume of the cylinder. the volume of the triangular prism is twice the volume of the cylinder. the volume of the triangular prism is equal to the volume of the cylinder. the volume of the triangular prism is not equal to the volume of the cylinder.